CVE-2021-40412 : Vulnerability Insights and Analysis

This CVE-2021-40412 article provides detailed information about an OS command injection vulnerability in reolink RLC-410W v3.0.0.136_20121102.

Understanding CVE-2021-40412

This section explains what CVE-2021-40412 is and its impact.

What is CVE-2021-40412?

CVE-2021-40412 is an OS command injection vulnerability found in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. The devname variable, derived from the SetDevName API's name parameter, is not adequately validated.

The Impact of CVE-2021-40412

The vulnerability has a CVSS base score of 9.1 (Critical). It has a significant impact on confidentiality, integrity, and availability. The attack complexity is low, but privileges required are high.

Technical Details of CVE-2021-40412

Explore more technical aspects of the vulnerability.

Vulnerability Description

The flaw allows an attacker to execute OS commands due to improper validation in the devname variable.

Affected Systems and Versions

Affected Product: Not applicable
Affected Version: v3.0.0.136_20121102

Exploitation Mechanism

Attack Vector: Network
Privileges Required: High
Attack Complexity: Low
User Interaction: None
Scope: Changed

Mitigation and Prevention

Learn how to mitigate the CVE-2021-40412 vulnerability.

Immediate Steps to Take

Implement strong input validation for the devname variable
Apply the latest security patches
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Conduct regular security assessments
Stay informed about security best practices and updates
Educate users and administrators about cybersecurity

Patching and Updates

Regularly update and patch the affected device
Follow the vendor's security advisories for any patches or fixes